Base Layers and Underwear

Categories

Tops
Bottoms
One-Piece Base Layers
Boxers, Briefs, Bikinis
Sports Bras
Arm and Leg Sleeves

Brands

ExOfficio
Patagonia
Arc'teryx
Marmot
SmartWool
Stoic
Icebreaker
Ibex
Mountain Hardwear
Polarmax

Genders

Unisex
Men's
Women's
Kids'
Boys'
Girls'

Price

less than $25
$25 - $49.99
$50 - $99.99
$100 - $199.99
$200 - $299.99
$300 and above

Top-Rated Base Layers and Underwear

Sort by: name | rating | price | availability | recently reviewed

Icebreaker Siren Tank
Icebreaker
Siren Tank
Base Layer Top
$33 - $55
Minus33 Kancamangus Merino Midweight Bottom
Minus33
Kancamangus Merino Midweight Bottom
Base Layer Bottom
$65
Moving Comfort Alexis
Moving Comfort
Alexis
Sports Bra
$21 - $24
Patagonia Active Boy Short
Patagonia
Active Boy Short
Boxers, Briefs, Bikini
$19 - $25
Minus33 Appalachia Lightweight Merino Crew
Minus33
Appalachia Lightweight Merino Crew
Base Layer Top
$44
Mountain Hardwear Mighty Power Cooler SportBra
Mountain Hardwear
Mighty Power Cooler SportBra
Sports Bra
$29 - $45
Tasc Performance Crew Neck Undershirt
Tasc Performance
Crew Neck Undershirt
Base Layer Top
$24
Houdini Smooth Operator One-Piece Suit
Houdini
Smooth Operator One-Piece Suit
One-Piece Base Layer
$204
686 Airhole Thermal One Piece
686
Airhole Thermal One Piece
One-Piece Base Layer
$100
Polarmax 4-Way Stretch Tight
Polarmax
4-Way Stretch Tight
Base Layer Bottom
$28 - $49
Rab MeCo 120 Boxer
Rab
MeCo 120 Boxer
Boxers, Briefs, Bikini
$45
Polarmax Xtrdry Cotton Mock TurtleNeck
Polarmax
Xtrdry Cotton Mock TurtleNeck
Base Layer Top
$40
Patagonia Merino 2 Lightweight Henley
Patagonia
Merino 2 Lightweight Henley
Base Layer Top
$65 - $100
Helly Hansen Stripe Crew
Helly Hansen
Stripe Crew
Base Layer Top
$30
Patagonia Merino 3 Midweight Zip-Neck
Patagonia
Merino 3 Midweight Zip-Neck
Base Layer Top
$50 - $125
Houdini Airborn Zip
Houdini
Airborn Zip
Base Layer Top
$99
Rab MeCo 120 Pants
Rab
MeCo 120 Pants
Base Layer Bottom
$70
The North Face Short-Sleeve Litho Tee
The North Face
Short-Sleeve Litho Tee
Base Layer Top
$47
Minus33 Kenai Merino Expedition Bottom
Minus33
Kenai Merino Expedition Bottom
Base Layer Bottom
$81
Icebreaker Everyday SS Crewe
Icebreaker
Everyday SS Crewe
Base Layer Top
$50
Arc'teryx Rho AR Bottom
Arc'teryx
Rho AR Bottom
Base Layer Bottom
$119
Houdini Drop Knee Power Tight
Houdini
Drop Knee Power Tight
Base Layer Bottom
$71
Isis Sport Brief
Isis
Sport Brief
Boxers, Briefs, Bikini
$15 - $16
Marmot Silkweight Bottom
Marmot
Silkweight Bottom
Base Layer Bottom
$75
Icebreaker Atom Legless
Icebreaker
Atom Legless
Base Layer Bottom
$100 - $109
Westcomb Sphere Bottom
Westcomb
Sphere Bottom
Base Layer Bottom
$50 - $94
Terramar Hot Totties Fleece Heavy Full Leg Performance Leggings
Terramar
Hot Totties Fleece Heavy Full Leg Performance Leggings
Base Layer Bottom
$10
Patagonia Merino 3 Midweight Hoody
Patagonia
Merino 3 Midweight Hoody
Base Layer Top
$84 - $140
Under Armour ColdGear Longsleeve Mock
Under Armour
ColdGear Longsleeve Mock
Base Layer Top
$26 - $44
Icebreaker Oasis Long Sleeve Crewe Surge
Icebreaker
Oasis Long Sleeve Crewe Surge
Base Layer Top
$57 - $65
Patagonia Capilene 1 Silkweight Graphic Crew
Patagonia
Capilene 1 Silkweight Graphic Crew
Base Layer Top
$29 - $59
ExOfficio Give-N-Go Tank Top
ExOfficio
Give-N-Go Tank Top
Base Layer Top
$25 - $27
Ibex Zepher Boxer
Ibex
Zepher Boxer
Boxers, Briefs, Bikini
$55
Icebreaker Bodyfit 200 Leggings
Icebreaker
Bodyfit 200 Leggings
Base Layer Bottom
$31 - $55
SmartWool Microweight Bikini
SmartWool
Microweight Bikini
Boxers, Briefs, Bikini
$20 - $27
Patagonia Capilene 1 Stretch Briefs
Patagonia
Capilene 1 Stretch Briefs
Boxers, Briefs, Bikini
$15 - $30
GoLite BL-2 Full-Length Bottom
GoLite
BL-2 Full-Length Bottom
Base Layer Bottom
$25
Craft Sport Specific Bike Bra
Craft
Sport Specific Bike Bra
Sports Bra
$50
Columbia Extreme Long Sleeve 1/2 Zip
Columbia
Extreme Long Sleeve 1/2 Zip
Base Layer Top
$52
Under Armour Seamless Essential Bra
Under Armour
Seamless Essential Bra
Sports Bra
$25 - $29
The North Face Light L/S Crew Neck
The North Face
Light L/S Crew Neck
Base Layer Top
$28
Burton Midweight Union Suit
Burton
Midweight Union Suit
Base Layer Top
$90
L.L.Bean Polartec Power Dry Base Layer, Crew Lightweight
L.L.Bean
Polartec Power Dry Base Layer, Crew Lightweight
Base Layer Top
$20 - $29
Marmot Silkweight Crew SS
Marmot
Silkweight Crew SS
Base Layer Top
$48 - $89
Columbia Base Layer Lightweight Sleeveless Top
Columbia
Base Layer Lightweight Sleeveless Top
Base Layer Top
$25 - $32
Minus33 100% Wool Lightweight Bottoms
Minus33
100% Wool Lightweight Bottoms
Base Layer Bottom
$47 - $50
EMS Seamless Racerback Bra
EMS
Seamless Racerback Bra
Sports Bra
$34
Arc'teryx Phase SV Bottom
Arc'teryx
Phase SV Bottom
Base Layer Bottom
$79
REI Boxer Jack Underwear
REI
Boxer Jack Underwear
Boxers, Briefs, Bikini
$23
EMS Techwick Heavyweight Long Underwear Tights
EMS
Techwick Heavyweight Long Underwear Tights
Base Layer Bottom
$40
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